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The following is the standard extrusion aluminum bar production process:

(1): the casting process

Casting process of aluminum rod ultimate aim is to produce to meet the requirements, and to produce the aluminum rods, through the process:

Status of 6061-t6: cooled to high strength after heat treatment. No cold processing.

Status of 6061-t6511: cooling to high strength after heat treatment, and then calibrating the process.

6061 - T651 state: cooling after solution heat treatment in order to achieve high strength. The tensile machine and then the cold stretch, to eliminate the residual internal stress of after heat treatment, after reaching after deep processing deformation to ensure machining precision products.